1325550432 has 24 divisors (see below), whose sum is σ = 3479570136. Its totient is φ = 441850112.

The previous prime is 1325550431. The next prime is 1325550439. The reversal of 1325550432 is 2340555231.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1325550432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325550431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6903813 + ... + 6904004.

It is an arithmetic number, because the mean of its divisors is an integer number (144982089).

Almost surely, 2^1325550432 is an apocalyptic number.

1325550432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1325550432 is an abundant number, since it is smaller than the sum of its proper divisors (2154019704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325550432 is a wasteful number, since it uses less digits than its factorization.

1325550432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13807830 (or 13807822 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1325550432 is about 36408.1094263352. The cubic root of 1325550432 is about 1098.4966880366.

The spelling of 1325550432 in words is "one billion, three hundred twenty-five million, five hundred fifty thousand, four hundred thirty-two".